* {
    padding: 0;
    margin: 0;
}

body {
    display: flex;
    flex-direction: column;
    background: #000d4a url(../imgs/bg.jpg) center top;
}

header {
    width: 100%;
    height: 1.05rem
        /* 105/100 */
    ;
    line-height: 1.05rem
        /* 105/100 */
    ;
    background: url(../imgs/head_bg.png) no-repeat center center;
    position: relative;
    text-align: center;
    color: #fff;

    h1 {
        font-size: .42rem
            /* 42/100 */
        ;
    }

    span {
        font-size: .3rem
            /* 30/100 */
        ;
        position: absolute;
        right: .2rem
            /* 20/100 */
        ;
        top: -.1rem;
    }
}


.main {
    flex: 1;
    display: flex;
    justify-content: space-between;
    margin: .2rem
        /* 20/100 */
    ;

    .column {
        width: 30%;
        height: 100%;

        .column:nth-of-type(2) {
            width: 40%;
            height: 100%;
            margin: 0 .2rem;
        }

        .box {
            width: 100%;
            background: rgba(0, 0, 0, .2);
            margin-bottom: .15rem;
           
        }
       
    }
}